The area of a rectangular section is 3 times the area of a square section
| September 7, 2021 | education
The area of a rectangular section is 3 times the area of a square section, the side of which is 10 m. What is the perimeter of a rectangular section if its length is 20 m?
1. Find the area of a square plot.
10 * 10 = 100 m².
2. Calculate the area of the rectangular.
100 * 3 = 300 m².
3. What is the value of its width?
300/20 = 15 meters.
4. Define the perimeter of the rectangle.
(20 + 15) * 2 = 70 meters.
Answer: 70 meters.
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